Synthesis and Characterization of Novel Aromatic Polyamides and Polyimides Derived from 2,3-Di(3-aminophenyl)quinoxaline.

DOI Web Site 被引用文献2件 参考文献47件
  • Akutsu Fumihiko
    Department of Applied Chemistry, Faculty of Engineering, Chiba University
  • Inoki Mari
    Department of Applied Chemistry, Faculty of Engineering, Chiba University
  • Araki Kiminori
    Department of Applied Chemistry, Faculty of Engineering, Chiba University
  • Kasashima Yoshio
    Department of Applied Chemistry, Faculty of Engineering, Chiba University
  • Naruchi Kiyoshi
    Department of Applied Chemistry, Faculty of Engineering, Chiba University
  • Miura Masatoshi
    Department of Applied Chemistry, Faculty of Engineering, Chiba University

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タイトル別名
  • Synthesis and Characterization of Novel

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A novel aromatic diamine 2,3-di(3-aminophenyl)quinoxaline (DAPQ) was prepared from benzil through three steps. New aromatic polyamides were synthesized by the direct polycondensation of DAPQ and several aromatic dicarboxylic acids. The polyamides were obtained almost quantitatively. The inherent viscosities ranged from 0.49 to 0.56 dl g−1. The glass transition temperatures (Tgs) of the polyamides ranged from 258 to 291°C, and the temperatures at 10% weight loss (Td10s) ranged between 515 and 546°C. Novel aromatic polyimides were synthesized by the ring-opening polyaddition of several aromatic tetracarboxylic dianhydrides to DAPQ, followed by thermal cyclodehydration. The polyamic acids indicated the inherent viscosities of 0.28–1.13 dl g−1. Tgs of the polyimides ranged between 263 and 298°C, and Td10s were above 550°C. The polyamides and polyimides were soluble in several organic solvents such as m-cresol.

収録刊行物

  • Polymer Journal

    Polymer Journal 29 (6), 529-533, 1997

    The Society of Polymer Science, Japan

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